z B Rostfrei 18cm Italian Stiletto Swivel bolster black automatic knife

Vintage B Rostfrei 18cm Italian Swivel bolster automatic knife most likely made in the 1970s or 80s in Italy. It measures 18cm (7.1 inches) open with brass liners and 3 steel bolsters, button & safety cap and one nickel silver bolster with lined ears (top rear). The flat grind blade is 97% full or better and shiny with light scratches and is stamped B Rostfrei on the ricasso. The horn scales are black with some light scratches and scuffs by the safety. The knife functions well with blade tip deep and centered, strong snap and very good lockup open and does not rattle if shaken with blade open. Safety works. VG+ condition.